4-PIN PLUG WITH CONTACT TERMINALS | Teltonika Networks
16 amp 4 pin 380 - 415 volt red trailing plug
IP67 4 Pin Line Socket | Jaycar Electronics
63 amp 4 pin 415V volt red trailing plug
Amazon.com: CNLINKO 4 Pin Power Industrial Circular Connector, Male Plug & Female Panel Mount Receptacles Socket Jack, Outdoor Waterproof IP67, AC DC : Electronics
Ws20, Power Connector 4 Pin Plug Socket, Rated Current 25a, Electrical Equipment Power Cable Connector, 4 Pin Connectors - Connectors - AliExpress